Guide · 4 min read
How to calculate billable hours (with formulas)
Three numbers matter: billable hours, billable amount and billable share. Here's how to calculate each, with examples.
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Billable hours
Sum of all time entries marked billable in a period. Convert minutes to decimals for invoicing: 1:45 = 1.75 hours.
Billable amount
Billable hours × hourly rate. 32.5 hours × $120 = $3,900.
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Billable share
Billable hours ÷ total tracked hours. 28 billable of 40 tracked = 70%.
Let the tool do it
Hourtick reports show all three for any period, per client, project, task type or person, using each project's rate.
Frequently asked questions
How do I convert minutes to decimal?
Divide minutes by 60. Use our minutes-to-decimal converter for quick lookups.
What if rates differ per project?
Multiply each project's hours by its own rate and add the results.
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